Finding the Fourth Proportional to 269,471.80, 404,207.70 and 256,349.80
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Solution
The fourth proportional to 269,471.80, 404,207.70 and 256,349.80 is: 384,524.70
Step by Step Solution
- Step 1: Write the proportion equation
269,471.80 : 404,207.70 = 256,349.80 : x - Step 2: Convert to fraction form
269,471.80/404,207.70 = 256,349.80/x - Step 3: Cross multiply
269,471.80x = 404,207.70 × 256,349.80 - Step 4: Simplify right side
269,471.80x = 103,618,563,053.46 - Step 5: Solve for x
x = 103,618,563,053.46/269,471.80 - Step 6: Final answer
x = 384,524.70
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.